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Finding the Fourth Proportional to 546.90, 754.59 and 325.77

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Solution

The fourth proportional to 546.90, 754.59 and 325.77 is: 449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.90 : 754.59 = 325.77 : x
  2. Step 2: Convert to fraction form
    546.90/754.59 = 325.77/x
  3. Step 3: Cross multiply
    546.90x = 754.59 × 325.77
  4. Step 4: Simplify right side
    546.90x = 245,822.78
  5. Step 5: Solve for x
    x = 245,822.78/546.90
  6. Step 6: Final answer
    x = 449.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.